Description
Product Overview
ARP’s Universal Bolt set features five 5/16-18 stainless steel bolts, each 2.5 inches long with a polished, round head. The machined exterior provides a precise fit for performance exhaust headers, while the stainless construction resists corrosion in high‑heat environments. Model 612‑2500 is a trusted part number for both OEM and aftermarket applications.
![[Product front view showing all components]](https://www.vehiclenow.store/wp-content/uploads/2026/05/23d463f99f764642b29e31675d788835.jpg)
Usage
These bolts are perfect for installing or upgrading exhaust headers on cars, trucks, and performance builds. Whether you are a professional mechanic or a home garage enthusiast, the universal fit works with a wide range of makes and models, ensuring a tight seal and reliable performance under extreme conditions.
Why Choose Us
ARP is renowned for engineering-grade fasteners that meet strict automotive standards. Each bolt undergoes rigorous quality testing to guarantee strength, durability, and consistent torque values. Backed by ARP’s reputation, this set offers peace of mind and long‑term reliability.
Key Features
- Five stainless steel bolts provide corrosion resistance for lasting performance.
- Polished round heads ensure a clean, professional appearance after installation.
- Universal 5/16-18 thread fits a broad range of exhaust header applications.
- Precise 2.5‑inch length delivers optimal engagement without over‑penetration.
- Supported by ARP’s customer service and warranty for added confidence.
FAQ
What vehicles are compatible with these bolts?
The 5/16-18 thread is a common size for many domestic and import performance exhaust systems, making the set suitable for a wide variety of cars and trucks.
Are the bolts reusable after removal?
Yes, the stainless steel construction allows for multiple installations as long as they are not damaged or excessively deformed.
Do I need any special tools to install them?
A standard 5/16‑18 socket or wrench is sufficient. For optimal torque, use a torque wrench set to the manufacturer’s specifications.
What is the warranty on this product?
ARP offers a limited warranty covering material defects and workmanship for the life of the product when used as intended.
Can I use these bolts for aftermarket upgrades?
Absolutely. Their universal design and high‑quality finish make them ideal for both stock replacements and performance upgrades.








Skateboard Bushings Kata Polyurethane Barrel
Mini Logo Red Youth Polyurethane Skateboard
Skateboard Bushing INDEPENDENT Plastic Style
Pivot Mount Bushing LEETUTA Metal Skateboard Part
Slappy Skateboarding Bushings Rubber Youth
Independent Skateboard Bushings Urethane Cushions
Thunder Trucks Red Skateboard Bushings Plastic
Exhaust Header Bolts Stage 8 LSI/LS6 8MM Nickel Duplex Grade 8
ARP Exhaust Header Bolts 3/8-16 Thread Kit 100-1210
Skateboard Bushings Bones Soft Black Hardcore Soft
Champion Waist Pack Unisex Adult Black/White Logo One Size
Skateboard Bushings Independent Orange Cylinder
Header Bolt ARP Machined 1/4in for Performance
Thunder Trucks 90A Medium Skateboard Bushings
Skateboard Bushings Dime Bag Plastic Conical Set
Thunder Trucks 100A Extra Hard Skateboard Bushings
Thunder Skateboard Trucks Bushings for Skateboarding
Unicorn Musical Jewelry Chest Pretty Me Girls
Independent Orange Skateboard Bushings 90A Conical
Foraging Bag TIEFUMYO Waxed Canvas Waist Pack Brown Collapsible
Independent Skateboard Bushings Blue Polyurethane
Exhaust Header Stud Kit ARP Grade 8 Hex Bolt
Mezchi Mushroom Foraging Bag Collapsible Waxed Canvas Waist Pack
Thunder Trucks Skateboard Bushings 90a Durometer
Ace Trucks MFG Skateboard Bushings Compatible AF1 Classic
Independent Skateboard Bushings 78A Urethane
Lululemon Everywhere Belt Bag LU9B78S Water‑Resistant Black Pack
Stage 8 Nickel Exhaust Header Bolt Vehicle
Bones Skateboard Bushings White 96A
Mini Logo Skateboard Bushing TCML3MDO-2 Lightweight
Reviews
There are no reviews yet.